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CCM Electric Operated Valve
Brand: Danfoss
The CCM is an electrically operated valve designed specifically for operation in CO₂ systems.
The Valve is capable of functioning both as an expansion valve, and as a gas bypass valve with back-pressure regulation in subcritical applications.
The pressure rating allows for operation in environments where system standby capability is required without the need for auxiliary cooling systems during servicing or power outages.
Features- Up to 90 bar (1,305 psi) working pressure to accomodate CO2 system pressures during standstill conditions
- Precise positioning for optimal control of intermediate pressures in transcritical CO2 systems or liquid injection in heat exchangers
- MOPD up to 50 bar (725 psi)
- Combined stainless steel butt weld/solder connections for installation in copper piped systems (K65 alloy or standard) as well as steel piped systems
- Standard M12 connector for simple and flexible connection to the motor driver
- For manual operation and service of the CCM an AST-g service driver is available
- UL recognized
Specifications
Brand
Ambient Temperature Range
- -40° to 60° C (-40° to 140° F)
Approvals & Certifications
- UL: NEC Class 2
Cable Length
- 1 feet (0.3 metres)
Capacity
- System Evaporator Capacity: 7 to 3,200 KW
Current
- Phase Current: 100 mA RMS (Using Chopper Drive) -4 to 15 %
Duty Cycle
- Holding Current: Depends on Application. Full Current Allowed (100 % Duty Cycle)
Electrical Connectors
- 4-Wire 0.5 mm² (0.02”²)
- M12
Environmental Protection
- IP67
Flow Rate
- 0.8 to 4.2 Kv (m³/hour)
Load
- Phase Inductance: 85 MH
Materials of Construction
- Stainless Steel
Maximum Opening Pressure Differential
- psi: 0 to 725 (kPa: 0 to 4,999, bar: 0 to 50)
Motor Type
- Stepper Motor (Bi-Polar - Permanent Magnet)
Power
- Maximum
Ratio
- 8.5:1 Gearing Ratio for Step Angle
Resistance
- 52 ohms ± 10 % - Phase
Rotation
- Step Angle: 0.9° (Lead Screw)
- Step Angle: 7.5° (Motor)
Supply Pressure - Maximum
- psi: 0 to 1305 (kPa: 0 to 8,998, bar: 0 to 90)
Supply Voltage
- Nominal Voltage: 12 Vdc (Constant Voltage Drive) -4 to 15 %, 150 Steps/second
Temperature Range
- -40° to 60° C (-40° to 140° F) - Refrigerant
Tube Connection
- 1-1/8” Tube
- 5/8” Tube
- 7/8” Tube
Welded Connection
- 1” Weld End
- 1/2” Weld End
- 3/4” Weld End